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S• <br /> ittS&hlii Tacoma,Washington 253-474-9449 Designed: OMA Date: 11/1/2022 Project Number: 19.933 <br /> Checked: CJT Date: 11/4/2022 16 <br /> Project: Emerald Court Carports <br /> MEMBER CHECKS,CONTINUED <br /> PURLIN-BEAM CONNECTION:(4) 1/2" DIA.BOLTS <br /> R1=4332.6 lbf ASD-level bearing force <br /> -R2=1385.64 lbf ASD-level uplift force <br /> Shear due to lateral forces(Seismic and C&C Horizontal Loading)are omitted as <br /> vertical forces will govern. <br /> Shear in Purlin: <br /> nv1:=2.00 shear safety factor <br /> Fu:=60 ksi ultimate stress for ASTM A307 Gr.A, <br /> per AISC 15th Ed.Table 2-6 <br /> t:=0.1017 in design thickness of purlin <br /> e:=4.5 in distance between bolt holes <br /> Pnv1:=4•t•e•Fu=109.84 kip <br /> Shear in Bolts: <br /> nv2:=2.00 shear safety factor <br /> Fnv:=27 ksi nominal shear stress for ASTM A307 Gr.A, <br /> per AISC 15th Ed.Table J3.2 <br /> d:=0.5 in bolt diameter <br /> Ab:= 4 d2 =0.196 in2 <br /> Pnv2:=4•Ab•Fnv=21.206 kip <br /> Bearing Capacity of Bolts: <br /> nb:=2.50 shear safety factor per AISI J3.3.1 <br /> =4.916 <br /> t <br /> C:=3.0 bearing factor per AISI Table J3.3.1-1 <br /> mf:=0.75 modification factor for bearing connection type <br /> per AISI Table J3.3.1-2 <br /> Pnb:=4•C.mf•d.t•Fu=27.459 kip (Eq.J3.3.1-1) <br />